Across
1
Result of multiplication
3
Reference line in a graph
5
Difference between highest and lowest values
8
Comparison of two quantities
10
Part of a circle's circumference
11
Lines that never intersect
12
Divisible by two
Down
2
Steepness of a line
4
Mathematical statement of equality
6
Collection of distinct elements
7
Result of addition
9
Corner point of a polygon